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Chemical Engineering Basics Quiz 8

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Chemical Engineering Basics Quiz 8

1 / 50

Oxide layer formed on the non-ferrous metal surface after its annealing is___________?

2 / 50

One face of a furnace wall is at 1030?C and the other face is exposed to room temperature (30?C). If the thermal conductivity of furnace wall is 3 W. m-1. k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is______?

3 / 50

One of the methods of purification of leach liquor is ion exchange, which involves__________?

4 / 50

Normalising of an object does not__________?

5 / 50

Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as__________?

6 / 50

Often earing defects are found during deep drawing operation, because the ___________?

7 / 50

Oxyacetylene reducing flame is used while carrying out welding on___________?

8 / 50

Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank) ?

9 / 50

Out of the following, the most malleable material is_________?

10 / 50

Nitriding of a steel part does not increase its___________?

11 / 50

Nickel and _______ are the alloying element added in steel to increase its toughness?

12 / 50

Minimum number of members required to form a Public Limited Joint Stock Com-pany is_____?

13 / 50

More than 95% of ________ is present in corundum ?

14 / 50

Out of the following, the joint produced by _______ has the lowest strength?

15 / 50

Particle nature of cathode rays is proved due to the fact that they _________?

16 / 50

Pearlite comprises of___________?

17 / 50

On being hit with a hammer, _____ will readily fracture?

18 / 50

Natural water contains approximately _______ percent of heavy water?

19 / 50

Name the safety device used to protect the boiler, when the water level falls below a minimum level ?

20 / 50

Out of the following, the _________ pipe has the least corrosion resistance?

21 / 50

Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as________?

22 / 50

Out of the following, the lowest packing of atoms exists in ______ crystal lattice structure?

23 / 50

Most of the phosphorous present in the blast furnace burden enters into_____?

24 / 50

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the _______ of the input signal?

25 / 50

Out of the following ________ iron has the best capability to bear sudden & excessive shocks?

26 / 50

Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of_________?

27 / 50

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the _______ temperature of air?

28 / 50

Nusselt number/Biot number varies_____?

29 / 50

Out of the following, which will fracture most readity, when hit with a hard hammer ?

30 / 50

Optical activity is a/an _________ property ?

31 / 50

Moist climate is the most favourable factor in the site selection far a__________?

32 / 50

On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is___________?

33 / 50

Most important property of steels for use in automobile bodies is the_____?

34 / 50

Out of the following the refractive index is the highest for______?

35 / 50

Milk is fat dispersed in water. It is an example of___________?

36 / 50

Notched bar test is used for testing the __________ of a material?

37 / 50

Non-ferrous alloys used for making cutting tools need not have high___________?

38 / 50

One ton of refrigeration is not equivalent to the heat removal rate of ______?

39 / 50

Out of the following substances, one ton of _______ will store the maximum heat for a rise of 30?C in temperature ?

40 / 50

Oxygen cylinders used for autogenous (cutting/welding) purposes are _____?

41 / 50

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type_________?

42 / 50

Oxyacetylene reducing flame is used while carrying out welding on_____?

43 / 50

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about _____ MeV?

44 / 50

Multistage compression of air as compared to single stage compression offers the advantage of_______?

45 / 50

Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when__________?

46 / 50

Mild steel has ________ crystal lattice structure?

47 / 50

Otto cycle used in spark ignition petrol engines is also known as the constant _________ cycle?

48 / 50

Moist air is cooled along the line of constant _________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs ?

49 / 50

Nickel is a __________ material?

50 / 50

Normalising of a casting does not___________?

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Chemical Engineering Basics Quiz 1
Chemical Engineering Basics Quiz 2
Chemical Engineering Basics Quiz 3
Chemical Engineering Basics Quiz 4
Chemical Engineering Basics Quiz 5
Chemical Engineering Basics Quiz 6
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